1. Attorney-General’s Department. (2010). Discussion paper: Slavery and people trafficking, reparation, and vulnerable witness protections. Retrieved from https://www.homeaffairs.gov.au/criminal-justice/files/discussion-paper-criminal-justice-response-slavery-people-trafficking.pdf
2. Australian Government. (2015). Guidelines for NGOs, Working with trafficked people. 3rd Edition. A publication by members of the National Roundtable on Human Trafficking and Slavery to assist non-government organisations working with people who have experienced human trafficking, slavery or slavery-like practices, including forced marriage. Retrieved from https://www.homeaffairs.gov.au/search?k=Guidelines%20for%20NGOs,%20Working%20with%20trafficked%20people
3. British Children Can Be Trafficked Too: Towards an Inclusive Definition of Internal Child Sex Trafficking
4. A Delphi technology forecasting approach using a semi-Markov concept